North Harbor LP logo — lighthouse and wave North Harbor LPBookkeeping · Payroll · Tax
Costa Mesa · Orange County, CA

Steady books.
Clear waters ahead.

North Harbor LP keeps the financial side of your small business in order — bookkeeping, payroll, and business taxes — handled by an IRS Enrolled Agent, in English or Chinese.

North Harbor LP — lighthouse over a rising bar chart and wave
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Three things, done properly

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Why small businesses choose us

IRS Enrolled Agent

Federally licensed by the IRS with unlimited rights to represent taxpayers — the credential that matters most when tax questions get real.

English & 中文

Fully bilingual service. Your books, payroll, and IRS letters explained in the language you think in — nothing lost in translation.

Orange County local

Based in Costa Mesa, working with small business owners across Irvine, Newport Beach, Huntington Beach, and greater Orange County.

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Numbers that point somewhere

Clean books aren't the goal. They're the instrument.

When your books are current and correct, they stop being paperwork and start being navigation: which service actually makes money, when to hire, whether that equipment purchase should happen this year or next.

Every engagement includes monthly financial reporting — profit & loss, balance sheet, and a clear read on where things are heading.

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How pricing works

Custom-fit, not one-size

Every business gets a scope built around what it actually needs — from essential monthly bookkeeping to full back-office support with payroll, AP/AR, and sales tax filing.

Flat monthly fee

One fixed number, agreed before work begins. No hourly meters, no surprise invoices at month-end. The fee reflects your accounts, transaction volume, and payroll headcount.

Grows when you do

Start with what you need today. As the business grows, add cash-flow reviews, KPI reporting, budget-vs-actual analysis, and advisory support — the scope moves with you.

Getting a quote is simple: tell us about your business and we'll propose a scope and a flat monthly fee — usually within two business days.

FAQ

Common questions

Who does North Harbor LP work with?

Small business owners in Orange County, CA — restaurants, trades, e‑commerce, professional services, and family businesses. Many of our clients prefer to communicate in Chinese; all of them get the same books and filings.

Do I need to be in Costa Mesa to work with you?

No. Bookkeeping, payroll, and tax work are handled remotely for clients across Orange County and beyond. We meet by phone or video, and documents move through secure channels.

What does an IRS Enrolled Agent do that a regular bookkeeper can't?

An Enrolled Agent (EA) is federally licensed by the IRS and can represent you before the IRS in audits, collections, and appeals — in all 50 states. It means the person doing your books also understands exactly how the IRS will read them.

Ready for clean books and calmer tax seasons?

Tell us where your business stands — we’ll tell you exactly what we’d take off your plate. Conversations in English or Chinese, whichever is easier for you.

Get in touch
Based in
Costa Mesa, California
Serving all of Orange County